经(jing)过阅读(du)源码,其实不少思路和Android的匿名内(nei)存有点相似阅(yue)读本文(wen)之前(qian)就算不知(zhi)道dma_buf的(de)设(she)计思想也没(mei)关系,我不会仔细到(dao)每一行,我(wo)会注重(chong)其(qi)在gralloc服务中(zhong)的申请流(liu)程,看看ion是如何(he)管理共(gong)享内(nei)存,为(wei)什(shi)么要抛(pao)弃ashmem我们
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